Re: [PATCH linux-phy v2 1/4] string.h: Add str_has_proper_prefix()

From: Andy Shevchenko
Date: Thu Aug 18 2022 - 15:56:57 EST


On Thu, Aug 18, 2022 at 10:48 PM Marek Behún <kabel@xxxxxxxxxx> wrote:
> On Thu, 18 Aug 2022 22:10:58 +0300
> Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote:
> > On Wed, Aug 17, 2022 at 11:06 PM Marek Behún <kabel@xxxxxxxxxx> wrote:

...

> > Besides not the good naming (what 'proper' means),
>
> The naming comes from similar naming in math: proper subset is as
> subset that is not equal to the superset. See
> https://en.wikipedia.org/wiki/Substring :
> "A proper prefix of a string is not equal to the string itself"

It's nice to learn something, but I still think that name has too
broad meaning(s) that may easily confuse the developers.

>
> > the entire function is not needed. You may simply call
> >
> > str_has_prefix() && p[len] != '\0';
> >
> > Correct?
>
> Do you mean that I should implement this function to simply return
> str_has_prefix() && p[len] != '\0'
> or that this function should not exist at all and I should do that in
> the code where I would have used the function?

The latter since this seems do not have users, except a single newcomer,

--
With Best Regards,
Andy Shevchenko